audio: change type of mix_buf and conv_buf
Change the type of mix_buf in struct HWVoiceOut and conv_buf in struct HWVoiceIn from STSampleBuffer * to STSampleBuffer. However, a buffer pointer is still needed. For this reason in struct STSampleBuffer samples[] is changed to *buffer. This is a preparation for the next patch. The next patch will add this line, which is not possible with the current struct STSampleBuffer definition. + sw->resample_buf.buffer = hw->mix_buf.buffer + rpos2; There are no functional changes. Acked-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com> Signed-off-by: Volker Rümelin <vr_qemu@t-online.de> Message-Id: <20230224190555.7409-1-vr_qemu@t-online.de>
This commit is contained in:
parent
5140ad8279
commit
8dbd3d1795
106
audio/audio.c
106
audio/audio.c
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@ -523,8 +523,8 @@ static size_t audio_pcm_hw_find_min_in (HWVoiceIn *hw)
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static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
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static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
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{
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{
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size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
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size_t live = hw->total_samples_captured - audio_pcm_hw_find_min_in (hw);
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if (audio_bug(__func__, live > hw->conv_buf->size)) {
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if (audio_bug(__func__, live > hw->conv_buf.size)) {
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dolog("live=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size);
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dolog("live=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size);
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return 0;
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return 0;
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}
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}
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return live;
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return live;
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@ -533,13 +533,13 @@ static size_t audio_pcm_hw_get_live_in(HWVoiceIn *hw)
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static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples)
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static size_t audio_pcm_hw_conv_in(HWVoiceIn *hw, void *pcm_buf, size_t samples)
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{
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{
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size_t conv = 0;
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size_t conv = 0;
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STSampleBuffer *conv_buf = hw->conv_buf;
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STSampleBuffer *conv_buf = &hw->conv_buf;
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while (samples) {
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while (samples) {
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uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame);
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uint8_t *src = advance(pcm_buf, conv * hw->info.bytes_per_frame);
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size_t proc = MIN(samples, conv_buf->size - conv_buf->pos);
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size_t proc = MIN(samples, conv_buf->size - conv_buf->pos);
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hw->conv(conv_buf->samples + conv_buf->pos, src, proc);
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hw->conv(conv_buf->buffer + conv_buf->pos, src, proc);
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conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size;
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conv_buf->pos = (conv_buf->pos + proc) % conv_buf->size;
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samples -= proc;
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samples -= proc;
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conv += proc;
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conv += proc;
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@ -561,12 +561,12 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size)
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if (!live) {
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if (!live) {
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return 0;
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return 0;
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}
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}
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if (audio_bug(__func__, live > hw->conv_buf->size)) {
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if (audio_bug(__func__, live > hw->conv_buf.size)) {
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dolog("live_in=%zu hw->conv_buf->size=%zu\n", live, hw->conv_buf->size);
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dolog("live_in=%zu hw->conv_buf.size=%zu\n", live, hw->conv_buf.size);
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return 0;
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return 0;
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}
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}
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rpos = audio_ring_posb(hw->conv_buf->pos, live, hw->conv_buf->size);
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rpos = audio_ring_posb(hw->conv_buf.pos, live, hw->conv_buf.size);
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samples = size / sw->info.bytes_per_frame;
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samples = size / sw->info.bytes_per_frame;
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@ -574,11 +574,11 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size)
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swlim = MIN (swlim, samples);
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swlim = MIN (swlim, samples);
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while (swlim) {
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while (swlim) {
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src = hw->conv_buf->samples + rpos;
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src = hw->conv_buf.buffer + rpos;
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if (hw->conv_buf->pos > rpos) {
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if (hw->conv_buf.pos > rpos) {
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isamp = hw->conv_buf->pos - rpos;
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isamp = hw->conv_buf.pos - rpos;
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} else {
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} else {
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isamp = hw->conv_buf->size - rpos;
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isamp = hw->conv_buf.size - rpos;
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}
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}
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if (!isamp) {
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if (!isamp) {
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@ -588,7 +588,7 @@ static size_t audio_pcm_sw_read(SWVoiceIn *sw, void *buf, size_t size)
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st_rate_flow (sw->rate, src, dst, &isamp, &osamp);
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st_rate_flow (sw->rate, src, dst, &isamp, &osamp);
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swlim -= osamp;
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swlim -= osamp;
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rpos = (rpos + isamp) % hw->conv_buf->size;
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rpos = (rpos + isamp) % hw->conv_buf.size;
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dst += osamp;
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dst += osamp;
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ret += osamp;
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ret += osamp;
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total += isamp;
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total += isamp;
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@ -636,8 +636,8 @@ static size_t audio_pcm_hw_get_live_out (HWVoiceOut *hw, int *nb_live)
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if (nb_live1) {
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if (nb_live1) {
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size_t live = smin;
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size_t live = smin;
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if (audio_bug(__func__, live > hw->mix_buf->size)) {
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if (audio_bug(__func__, live > hw->mix_buf.size)) {
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dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size);
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dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size);
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return 0;
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return 0;
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}
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}
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return live;
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return live;
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@ -654,17 +654,17 @@ static size_t audio_pcm_hw_get_free(HWVoiceOut *hw)
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static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len)
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static void audio_pcm_hw_clip_out(HWVoiceOut *hw, void *pcm_buf, size_t len)
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{
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{
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size_t clipped = 0;
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size_t clipped = 0;
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size_t pos = hw->mix_buf->pos;
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size_t pos = hw->mix_buf.pos;
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while (len) {
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while (len) {
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st_sample *src = hw->mix_buf->samples + pos;
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st_sample *src = hw->mix_buf.buffer + pos;
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uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame);
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uint8_t *dst = advance(pcm_buf, clipped * hw->info.bytes_per_frame);
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size_t samples_till_end_of_buf = hw->mix_buf->size - pos;
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size_t samples_till_end_of_buf = hw->mix_buf.size - pos;
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size_t samples_to_clip = MIN(len, samples_till_end_of_buf);
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size_t samples_to_clip = MIN(len, samples_till_end_of_buf);
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hw->clip(dst, src, samples_to_clip);
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hw->clip(dst, src, samples_to_clip);
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pos = (pos + samples_to_clip) % hw->mix_buf->size;
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pos = (pos + samples_to_clip) % hw->mix_buf.size;
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len -= samples_to_clip;
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len -= samples_to_clip;
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clipped += samples_to_clip;
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clipped += samples_to_clip;
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}
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}
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@ -683,11 +683,11 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size)
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return size;
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return size;
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}
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}
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hwsamples = sw->hw->mix_buf->size;
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hwsamples = sw->hw->mix_buf.size;
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live = sw->total_hw_samples_mixed;
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live = sw->total_hw_samples_mixed;
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if (audio_bug(__func__, live > hwsamples)) {
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if (audio_bug(__func__, live > hwsamples)) {
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dolog("live=%zu hw->mix_buf->size=%zu\n", live, hwsamples);
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dolog("live=%zu hw->mix_buf.size=%zu\n", live, hwsamples);
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return 0;
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return 0;
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}
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}
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@ -698,7 +698,7 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size)
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return 0;
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return 0;
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}
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}
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wpos = (sw->hw->mix_buf->pos + live) % hwsamples;
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wpos = (sw->hw->mix_buf.pos + live) % hwsamples;
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dead = hwsamples - live;
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dead = hwsamples - live;
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hw_free = audio_pcm_hw_get_free(sw->hw);
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hw_free = audio_pcm_hw_get_free(sw->hw);
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@ -725,7 +725,7 @@ static size_t audio_pcm_sw_write(SWVoiceOut *sw, void *buf, size_t size)
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st_rate_flow_mix (
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st_rate_flow_mix (
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sw->rate,
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sw->rate,
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sw->buf + pos,
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sw->buf + pos,
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sw->hw->mix_buf->samples + wpos,
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sw->hw->mix_buf.buffer + wpos,
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&isamp,
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&isamp,
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&osamp
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&osamp
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);
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);
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@ -989,9 +989,9 @@ static size_t audio_get_avail (SWVoiceIn *sw)
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}
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}
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live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired;
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live = sw->hw->total_samples_captured - sw->total_hw_samples_acquired;
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if (audio_bug(__func__, live > sw->hw->conv_buf->size)) {
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if (audio_bug(__func__, live > sw->hw->conv_buf.size)) {
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dolog("live=%zu sw->hw->conv_buf->size=%zu\n", live,
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dolog("live=%zu sw->hw->conv_buf.size=%zu\n", live,
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sw->hw->conv_buf->size);
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sw->hw->conv_buf.size);
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return 0;
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return 0;
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}
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}
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@ -1026,13 +1026,13 @@ static size_t audio_get_free(SWVoiceOut *sw)
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live = sw->total_hw_samples_mixed;
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live = sw->total_hw_samples_mixed;
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if (audio_bug(__func__, live > sw->hw->mix_buf->size)) {
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if (audio_bug(__func__, live > sw->hw->mix_buf.size)) {
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dolog("live=%zu sw->hw->mix_buf->size=%zu\n", live,
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dolog("live=%zu sw->hw->mix_buf.size=%zu\n", live,
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sw->hw->mix_buf->size);
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sw->hw->mix_buf.size);
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return 0;
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return 0;
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}
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}
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dead = sw->hw->mix_buf->size - live;
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dead = sw->hw->mix_buf.size - live;
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#ifdef DEBUG_OUT
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#ifdef DEBUG_OUT
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dolog("%s: get_free live %zu dead %zu frontend frames %zu\n",
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dolog("%s: get_free live %zu dead %zu frontend frames %zu\n",
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@ -1056,12 +1056,12 @@ static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos,
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n = samples;
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n = samples;
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while (n) {
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while (n) {
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size_t till_end_of_hw = hw->mix_buf->size - rpos2;
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size_t till_end_of_hw = hw->mix_buf.size - rpos2;
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size_t to_write = MIN(till_end_of_hw, n);
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size_t to_write = MIN(till_end_of_hw, n);
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size_t bytes = to_write * hw->info.bytes_per_frame;
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size_t bytes = to_write * hw->info.bytes_per_frame;
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size_t written;
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size_t written;
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sw->buf = hw->mix_buf->samples + rpos2;
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sw->buf = hw->mix_buf.buffer + rpos2;
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written = audio_pcm_sw_write (sw, NULL, bytes);
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written = audio_pcm_sw_write (sw, NULL, bytes);
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if (written - bytes) {
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if (written - bytes) {
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dolog("Could not mix %zu bytes into a capture "
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dolog("Could not mix %zu bytes into a capture "
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@ -1070,14 +1070,14 @@ static void audio_capture_mix_and_clear(HWVoiceOut *hw, size_t rpos,
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break;
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break;
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}
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}
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n -= to_write;
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n -= to_write;
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rpos2 = (rpos2 + to_write) % hw->mix_buf->size;
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rpos2 = (rpos2 + to_write) % hw->mix_buf.size;
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}
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}
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}
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}
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}
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}
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n = MIN(samples, hw->mix_buf->size - rpos);
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n = MIN(samples, hw->mix_buf.size - rpos);
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mixeng_clear(hw->mix_buf->samples + rpos, n);
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mixeng_clear(hw->mix_buf.buffer + rpos, n);
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mixeng_clear(hw->mix_buf->samples, samples - n);
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mixeng_clear(hw->mix_buf.buffer, samples - n);
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}
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}
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static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live)
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static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live)
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@ -1103,7 +1103,7 @@ static size_t audio_pcm_hw_run_out(HWVoiceOut *hw, size_t live)
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live -= proc;
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live -= proc;
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clipped += proc;
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clipped += proc;
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hw->mix_buf->pos = (hw->mix_buf->pos + proc) % hw->mix_buf->size;
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hw->mix_buf.pos = (hw->mix_buf.pos + proc) % hw->mix_buf.size;
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if (proc == 0 || proc < decr) {
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if (proc == 0 || proc < decr) {
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break;
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break;
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@ -1174,8 +1174,8 @@ static void audio_run_out (AudioState *s)
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live = 0;
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live = 0;
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}
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}
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if (audio_bug(__func__, live > hw->mix_buf->size)) {
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if (audio_bug(__func__, live > hw->mix_buf.size)) {
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dolog("live=%zu hw->mix_buf->size=%zu\n", live, hw->mix_buf->size);
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dolog("live=%zu hw->mix_buf.size=%zu\n", live, hw->mix_buf.size);
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continue;
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continue;
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}
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}
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@ -1203,13 +1203,13 @@ static void audio_run_out (AudioState *s)
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continue;
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continue;
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}
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}
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prev_rpos = hw->mix_buf->pos;
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prev_rpos = hw->mix_buf.pos;
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played = audio_pcm_hw_run_out(hw, live);
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played = audio_pcm_hw_run_out(hw, live);
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replay_audio_out(&played);
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replay_audio_out(&played);
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if (audio_bug(__func__, hw->mix_buf->pos >= hw->mix_buf->size)) {
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if (audio_bug(__func__, hw->mix_buf.pos >= hw->mix_buf.size)) {
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dolog("hw->mix_buf->pos=%zu hw->mix_buf->size=%zu played=%zu\n",
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dolog("hw->mix_buf.pos=%zu hw->mix_buf.size=%zu played=%zu\n",
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hw->mix_buf->pos, hw->mix_buf->size, played);
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hw->mix_buf.pos, hw->mix_buf.size, played);
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hw->mix_buf->pos = 0;
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hw->mix_buf.pos = 0;
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}
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}
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#ifdef DEBUG_OUT
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#ifdef DEBUG_OUT
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@ -1290,10 +1290,10 @@ static void audio_run_in (AudioState *s)
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if (replay_mode != REPLAY_MODE_PLAY) {
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if (replay_mode != REPLAY_MODE_PLAY) {
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captured = audio_pcm_hw_run_in(
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captured = audio_pcm_hw_run_in(
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hw, hw->conv_buf->size - audio_pcm_hw_get_live_in(hw));
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hw, hw->conv_buf.size - audio_pcm_hw_get_live_in(hw));
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}
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}
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replay_audio_in(&captured, hw->conv_buf->samples, &hw->conv_buf->pos,
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replay_audio_in(&captured, hw->conv_buf.buffer, &hw->conv_buf.pos,
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hw->conv_buf->size);
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hw->conv_buf.size);
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min = audio_pcm_hw_find_min_in (hw);
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min = audio_pcm_hw_find_min_in (hw);
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hw->total_samples_captured += captured - min;
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hw->total_samples_captured += captured - min;
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@ -1326,14 +1326,14 @@ static void audio_run_capture (AudioState *s)
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SWVoiceOut *sw;
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SWVoiceOut *sw;
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captured = live = audio_pcm_hw_get_live_out (hw, NULL);
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captured = live = audio_pcm_hw_get_live_out (hw, NULL);
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rpos = hw->mix_buf->pos;
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rpos = hw->mix_buf.pos;
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while (live) {
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while (live) {
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size_t left = hw->mix_buf->size - rpos;
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size_t left = hw->mix_buf.size - rpos;
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size_t to_capture = MIN(live, left);
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size_t to_capture = MIN(live, left);
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struct st_sample *src;
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struct st_sample *src;
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struct capture_callback *cb;
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struct capture_callback *cb;
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src = hw->mix_buf->samples + rpos;
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src = hw->mix_buf.buffer + rpos;
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hw->clip (cap->buf, src, to_capture);
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hw->clip (cap->buf, src, to_capture);
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mixeng_clear (src, to_capture);
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mixeng_clear (src, to_capture);
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@ -1341,10 +1341,10 @@ static void audio_run_capture (AudioState *s)
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cb->ops.capture (cb->opaque, cap->buf,
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cb->ops.capture (cb->opaque, cap->buf,
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to_capture * hw->info.bytes_per_frame);
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to_capture * hw->info.bytes_per_frame);
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}
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}
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rpos = (rpos + to_capture) % hw->mix_buf->size;
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rpos = (rpos + to_capture) % hw->mix_buf.size;
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live -= to_capture;
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live -= to_capture;
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}
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}
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hw->mix_buf->pos = rpos;
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hw->mix_buf.pos = rpos;
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for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
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for (sw = hw->sw_head.lh_first; sw; sw = sw->entries.le_next) {
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if (!sw->active && sw->empty) {
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if (!sw->active && sw->empty) {
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@ -1903,7 +1903,7 @@ CaptureVoiceOut *AUD_add_capture(
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audio_pcm_init_info (&hw->info, as);
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audio_pcm_init_info (&hw->info, as);
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|
||||||
cap->buf = g_malloc0_n(hw->mix_buf->size, hw->info.bytes_per_frame);
|
cap->buf = g_malloc0_n(hw->mix_buf.size, hw->info.bytes_per_frame);
|
||||||
|
|
||||||
if (hw->info.is_float) {
|
if (hw->info.is_float) {
|
||||||
hw->clip = mixeng_clip_float[hw->info.nchannels == 2];
|
hw->clip = mixeng_clip_float[hw->info.nchannels == 2];
|
||||||
|
@ -1955,7 +1955,7 @@ void AUD_del_capture (CaptureVoiceOut *cap, void *cb_opaque)
|
||||||
sw = sw1;
|
sw = sw1;
|
||||||
}
|
}
|
||||||
QLIST_REMOVE (cap, entries);
|
QLIST_REMOVE (cap, entries);
|
||||||
g_free (cap->hw.mix_buf);
|
g_free(cap->hw.mix_buf.buffer);
|
||||||
g_free (cap->buf);
|
g_free (cap->buf);
|
||||||
g_free (cap);
|
g_free (cap);
|
||||||
}
|
}
|
||||||
|
|
|
@ -58,7 +58,7 @@ typedef struct SWVoiceCap SWVoiceCap;
|
||||||
|
|
||||||
typedef struct STSampleBuffer {
|
typedef struct STSampleBuffer {
|
||||||
size_t pos, size;
|
size_t pos, size;
|
||||||
st_sample samples[];
|
st_sample *buffer;
|
||||||
} STSampleBuffer;
|
} STSampleBuffer;
|
||||||
|
|
||||||
typedef struct HWVoiceOut {
|
typedef struct HWVoiceOut {
|
||||||
|
@ -71,7 +71,7 @@ typedef struct HWVoiceOut {
|
||||||
f_sample *clip;
|
f_sample *clip;
|
||||||
uint64_t ts_helper;
|
uint64_t ts_helper;
|
||||||
|
|
||||||
STSampleBuffer *mix_buf;
|
STSampleBuffer mix_buf;
|
||||||
void *buf_emul;
|
void *buf_emul;
|
||||||
size_t pos_emul, pending_emul, size_emul;
|
size_t pos_emul, pending_emul, size_emul;
|
||||||
|
|
||||||
|
@ -93,7 +93,7 @@ typedef struct HWVoiceIn {
|
||||||
size_t total_samples_captured;
|
size_t total_samples_captured;
|
||||||
uint64_t ts_helper;
|
uint64_t ts_helper;
|
||||||
|
|
||||||
STSampleBuffer *conv_buf;
|
STSampleBuffer conv_buf;
|
||||||
void *buf_emul;
|
void *buf_emul;
|
||||||
size_t pos_emul, pending_emul, size_emul;
|
size_t pos_emul, pending_emul, size_emul;
|
||||||
|
|
||||||
|
|
|
@ -71,8 +71,9 @@ static void glue(audio_init_nb_voices_, TYPE)(AudioState *s,
|
||||||
static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
|
static void glue (audio_pcm_hw_free_resources_, TYPE) (HW *hw)
|
||||||
{
|
{
|
||||||
g_free(hw->buf_emul);
|
g_free(hw->buf_emul);
|
||||||
g_free (HWBUF);
|
g_free(HWBUF.buffer);
|
||||||
HWBUF = NULL;
|
HWBUF.buffer = NULL;
|
||||||
|
HWBUF.size = 0;
|
||||||
}
|
}
|
||||||
|
|
||||||
static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
|
static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
|
||||||
|
@ -83,10 +84,12 @@ static void glue(audio_pcm_hw_alloc_resources_, TYPE)(HW *hw)
|
||||||
dolog("Attempted to allocate empty buffer\n");
|
dolog("Attempted to allocate empty buffer\n");
|
||||||
}
|
}
|
||||||
|
|
||||||
HWBUF = g_malloc0(sizeof(STSampleBuffer) + sizeof(st_sample) * samples);
|
HWBUF.buffer = g_new0(st_sample, samples);
|
||||||
HWBUF->size = samples;
|
HWBUF.size = samples;
|
||||||
|
HWBUF.pos = 0;
|
||||||
} else {
|
} else {
|
||||||
HWBUF = NULL;
|
HWBUF.buffer = NULL;
|
||||||
|
HWBUF.size = 0;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -111,9 +114,9 @@ static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
|
||||||
}
|
}
|
||||||
|
|
||||||
#ifdef DAC
|
#ifdef DAC
|
||||||
samples = ((int64_t) sw->HWBUF->size << 32) / sw->ratio;
|
samples = ((int64_t)sw->HWBUF.size << 32) / sw->ratio;
|
||||||
#else
|
#else
|
||||||
samples = (int64_t)sw->HWBUF->size * sw->ratio >> 32;
|
samples = (int64_t)sw->HWBUF.size * sw->ratio >> 32;
|
||||||
#endif
|
#endif
|
||||||
if (audio_bug(__func__, samples < 0)) {
|
if (audio_bug(__func__, samples < 0)) {
|
||||||
dolog("Can not allocate buffer for `%s' (%d samples)\n",
|
dolog("Can not allocate buffer for `%s' (%d samples)\n",
|
||||||
|
@ -126,7 +129,7 @@ static int glue (audio_pcm_sw_alloc_resources_, TYPE) (SW *sw)
|
||||||
size_t f_fe_min;
|
size_t f_fe_min;
|
||||||
|
|
||||||
/* f_fe_min = ceil(1 [frames] * f_be [Hz] / size_be [frames]) */
|
/* f_fe_min = ceil(1 [frames] * f_be [Hz] / size_be [frames]) */
|
||||||
f_fe_min = (hw->info.freq + HWBUF->size - 1) / HWBUF->size;
|
f_fe_min = (hw->info.freq + HWBUF.size - 1) / HWBUF.size;
|
||||||
qemu_log_mask(LOG_UNIMP,
|
qemu_log_mask(LOG_UNIMP,
|
||||||
AUDIO_CAP ": The guest selected a " NAME " sample rate"
|
AUDIO_CAP ": The guest selected a " NAME " sample rate"
|
||||||
" of %d Hz for %s. Only sample rates >= %zu Hz are"
|
" of %d Hz for %s. Only sample rates >= %zu Hz are"
|
||||||
|
|
Loading…
Reference in New Issue